Supermassive Merger: Sgr A* Formed by Black Hole Collision 9 Billion Years Ago

<img width="600" height="243" src="https://www.sciencealert.com/images/2022-05/processed/SgrA_EventHorizon_600.jpg"/>The Milky Way's black hole has a violent past.

https://www.sciencealert.com/supermassive-merger-sgr-a-formed-by-black-hole-collision-9-billion-years-ago